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Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the resulting data that uses the diffusion of water molecules to generate contrast in MR images.
- Magnetic resonance imaging
Magnetic resonance imaging (MRI) is a medical imaging...
- Tractography
In neuroscience, tractography is a 3D modeling technique...
- Magnetic resonance imaging
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What is diffusion magnetic resonance imaging (MRI)?
What is diffusion imaging?
What are the principles of diffusion MRI?
Why is diffusion MRI important?
Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields , magnetic field gradients, and radio waves to generate images of the organs in the body.
Mar 20, 2023 · Diffusion-weighted imaging (DWI) is a form of MR imaging based upon measuring the random Brownian motion of water molecules within a voxel of tissue. In general simplified terms, highly cellular tissues or those with cellular swelling exhibit lower diffusion coefficients.
- Joshua Yap
In neuroscience, tractography is a 3D modeling technique used to visually represent nerve tracts using data collected by diffusion MRI. [1] It uses special techniques of magnetic resonance imaging (MRI) and computer-based diffusion MRI.
In this review, we will provide a background to the principles of diffusion MRI and its interpretation, discuss use of diffusion MRI for connectomics, and summarise applications of the method in health and disease.
- Denis Le Bihan, Heidi Johansen-Berg
- 10.1016/j.neuroimage.2011.11.006
- 2012
- 2012/06
Oct 1, 2006 · Diffusion MR imaging techniques are increasingly varied, from the simplest and most commonly used technique—the mapping of apparent diffusion coefficient values—to the more complex, such as diffusion tensor imaging, q-ball imaging, diffusion spectrum imaging, and tractography.
Jul 23, 2015 · Since its introduction in the mid-1980s, diffusion magnetic resonance imaging (MRI), which measures the random motion of water molecules in tissues, revealing their microarchitecture, has become a pillar of modern neuroimaging.
